MULTICHANNEL COMMON DEPTH POINT (CDP)
SEISMIC REFLECTION DATA

SEISMIC DATA FOR BLAKE PLATEAU

Data Announcement 1976-X

The National Geophysical Data Center currently is making
available CDP data which were collected in 1975 during a joint
U.S. Geological Survey (USGS) - Institute Francais du Petrole
(IFP) program. The cooperative effort resulted in the collection
of approximately 1200 nautical miles of 24-channel CDP data.

The data were processed by Campagnie Generale de Geophysique
(CGG). Processing included amplitude recovery, muting, normal
moveout corrections, 1400% stacking, time variable filtering, and
trace equalization. The scales are 0.2 sec/cm vertically and 20
shotpoints/cm horizontally. Although the sections are of good
quality, much of the associated documentation is in French and is
of poor quality for reproducing. The documentation includes: a
shotpoint map (scale - 10 cm/degree), hyperbolic Loran-C listings
(on microfiche), and velocity profiles (marginally
reproduceable).

Line numbers FC 1 - FC 10 are available in sepia or blackline.
Please call for prices. For ordering information contact: